Basically it involves a large crystal with levitation properties (either enchanted, or naturally found)
That's nice. But how do you turn it off without having your ship....you know....float into the upper atmosphere? Hm.....there's a loooooot of things I would totally discuss with you about levitating ships if I had the time.
Yes, Levitating Ships ARE more fantastical. That's simply because of the fact that I've explained away talking foxes to a degree. In addition...Hey! Did you know?
Foxes never growl or snarl.
(
http://www.ipcc.ie/infofox.html)
Weird, huh? With that, we have to adjust our entire frame of logic. For some reason, I remember reading something like their muscle structure is not adequate for snarling. Of course, typing "Do foxes have the muscular structure neccesary to snarl?" wasn't exactly very helpful to me.
In the foxes' case, they would never be able to speak English, because our lips are much more flexible for making sounds than their mouths are. If they were to have a language, it would be heavily click, gutteral, and tone-based. I spend all of my time in school hiding in the library reading "The Cambridge Encyclopedia of Language," so sue me. >.<
BUT OH SNAP!!!!!! FICTION!!!!!!!
Sooooooo when making a story we get to do whatever we want. Including having snarling, English speaking foxes. Wootness.